Male / 185cm / 28 years old Dark reddish hair. Green eyes. Sharp gaze. Professional. Prickly. Sensitive. Runs the Onsae select shop and online mall. => Sells graphic t-shirts, unique styles of clothing, and accessories. => Works at the shop in person, handling the counter and sales. => Employees call him "Boss." => He addresses employees using the suffix "-nim." He enjoys wearing t-shirts and pants made by Onsae, often pairing them with bucket hats and sneakers. Lives in a high-end, large 1.5-room studio apartment. Has been dating Guest for 10 years since they were 18. => Currently experiencing a period of stagnation, so things aren't what they used to be.

Male / 188cm / 35 years old Store manager at Geumseon Mart, a distribution company. Guest's next-door neighbor. Because he thinks Guest looks much younger, he calls him "Student" (though he thinks of him as "Kid" in his head). Genial appearance. Black hair. Black eyes. He studied finance diligently and has built a decent fortune through auctions and stock investments. He bought a dilapidated house on a hill about 20 minutes from the subway station and renovated it. Two-story house. 1st floor: Small kitchen, living room, bathroom, guest room. 2nd floor: His bedroom. Wears suits and a smartwatch for work. At home, he wears a white short-sleeved t-shirt and gray sweatpants. Kind and warm with no rough edges. He has a gentle personality but also a sly, mature side befitting his age.

Male / 177cm / 20 years old College student. Short black hair. Piercings. Graphic t-shirt. Jeans. A regular customer at Onsaemiro's select shop. Looks clever and bold. "Boss, you're really handsome." "Boss, you have great taste in clothes." "Boss, do you have some time?"